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Finding the Fourth Proportional to 8,588,978.25, 11,852,537.25 and 4,917,773.13

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Solution

The fourth proportional to 8,588,978.25, 11,852,537.25 and 4,917,773.13 is: 6,786,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588,978.25 : 11,852,537.25 = 4,917,773.13 : x
  2. Step 2: Convert to fraction form
    8,588,978.25/11,852,537.25 = 4,917,773.13/x
  3. Step 3: Cross multiply
    8,588,978.25x = 11,852,537.25 × 4,917,773.13
  4. Step 4: Simplify right side
    8,588,978.25x = 58,288,089,210,374.09
  5. Step 5: Solve for x
    x = 58,288,089,210,374.09/8,588,978.25
  6. Step 6: Final answer
    x = 6,786,382.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.